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Chapter 4: Setting Up for Configuration
Megabit Modem 410F and 420F User Manual 23
Managing Modems in Routing or Bridging/Routing Mode
The following is a sample configuration for setting the IP addresses and subnet masks when
only routing mode or both routing mode and bridging mode are enabled. Note that there must
be three IP subnets: 410F LAN, 420F LAN, and the 410F to 420F ADSL (WAN). When you
connect to a modem either locally or remotely, use either the modem 10/100BASE-T LAN port
or ADSL (WAN) port IP address, respectively.
The default IP address for the 10/100BASE-T LAN port is 192.168.0.1 and the IP subnet mask
is 255.255.255.0. If you want to view or change the default IP address for the modem, see
“Using the RS-232 management Port for Set Up” on page 24 for instructions.
The IP addresses in the figure below are for example only. Acquire your own
IP addresses from your network administrator or service provider.
420F
Modem
410F
Modem
192.168.0.10
255.255.255.0
ADSL
192.168.0.9
255.255.255.0
192.168.0.11
255.255.255.0
192.168.0.4
255.255.255.0
192.168.10.2
255.255.255.0
192.168.20.5
255.255.255.0
192.168.20.6
255.255.255.0
420F LAN IP Subnet WAN IP Subnet
410F LAN IP Subnet
192.168.10.4
255.255.255.0
192.168.20.1
255.255.255.0